Home / 5,302.15-7,316.83-2,912.17

Finding the Fourth Proportional to 5,302.15, 7,316.83 and 2,912.17

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Solution

The fourth proportional to 5,302.15, 7,316.83 and 2,912.17 is: 4,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.15 : 7,316.83 = 2,912.17 : x
  2. Step 2: Convert to fraction form
    5,302.15/7,316.83 = 2,912.17/x
  3. Step 3: Cross multiply
    5,302.15x = 7,316.83 × 2,912.17
  4. Step 4: Simplify right side
    5,302.15x = 21,307,852.82
  5. Step 5: Solve for x
    x = 21,307,852.82/5,302.15
  6. Step 6: Final answer
    x = 4,018.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.